Heater



FIG. 1 is a front perspective view of a heater.

FIG. 2 is front view of the heater.

FIG. 3 is rear view of the heater.

FIG. 4 is first side view of the heater.

FIG. 5 is second side view of the heater.

FIG. 6 is top side view of the heater; and,

FIG. 7 is bottom side view of the heater. 

CLAIM An ornamental design for a heater, as shown and described. 